1 files changed, 259 insertions, 0 deletions
diff --git a/spec/unit/provider/group_spec.rb b/spec/unit/provider/group_spec.rb
new file mode 100644
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+#
+# Author:: AJ Christensen (<aj@opscode.com>)
+# Copyright:: Copyright (c) 2008 OpsCode, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require 'spec_helper'
+
+describe Chef::Provider::User do
+
+  before do
+    @node = Chef::Node.new
+    @events = Chef::EventDispatch::Dispatcher.new
+    @run_context = Chef::RunContext.new(@node, {}, @events)
+    @new_resource = Chef::Resource::Group.new("wheel", @run_context)
+    @new_resource.gid 500
+    @new_resource.members "aj"
+
+    @provider = Chef::Provider::Group.new(@new_resource, @run_context)
+
+    @current_resource = Chef::Resource::Group.new("aj", @run_context)
+    @current_resource.gid 500
+    @current_resource.members "aj"
+    
+    @provider.current_resource = @current_resource
+
+    @pw_group = mock("Struct::Group",
+      :name => "wheel",
+      :gid => 20,
+      :mem => [ "root", "aj" ]
+      )
+    Etc.stub!(:getgrnam).with('wheel').and_return(@pw_group)
+  end
+  
+  it "assumes the group exists by default" do
+    @provider.group_exists.should be_true
+  end
+
+  describe "when establishing the current state of the group" do
+  
+    it "sets the group name of the current resource to the group name of the new resource" do
+      @provider.load_current_resource
+      @provider.current_resource.group_name.should == 'wheel'
+    end
+
+    it "does not modify the desired gid if set" do
+      @provider.load_current_resource
+      @new_resource.gid.should == 500
+    end
+
+    it "sets the desired gid to the current gid if none is set" do
+      @new_resource.instance_variable_set(:@gid, nil)
+      @provider.load_current_resource
+      @new_resource.gid.should == 20
+    end
+  
+    it "looks up the group in /etc/group with getgrnam" do
+      Etc.should_receive(:getgrnam).with(@new_resource.group_name).and_return(@pw_group)
+      @provider.load_current_resource
+      @provider.current_resource.gid.should == 20
+      @provider.current_resource.members.should == %w{root aj}
+    end
+  
+    it "should flip the value of exists if it cannot be found in /etc/group" do
+      Etc.stub!(:getgrnam).and_raise(ArgumentError)
+      @provider.load_current_resource
+      @provider.group_exists.should be_false
+    end
+  
+    it "should return the current resource" do
+      @provider.load_current_resource.should equal(@provider.current_resource)    
+    end
+  end
+
+  describe "when determining if the system is already in the target state" do
+    [ :gid, :members ].each do |attribute|
+      it "should return true if #{attribute} doesn't match" do
+        @current_resource.stub!(attribute).and_return("looooooooooooooooooool")
+        @provider.compare_group.should be_true
+      end
+    end
+  
+    it "should return false if gid and members are equal" do
+      @provider.compare_group.should be_false
+    end
+
+    it "should return false if append is true and the group member(s) already exists" do
+      @current_resource.members << "extra_user"
+      @new_resource.stub!(:append).and_return(true)
+      @provider.compare_group.should be_false
+    end
+
+    it "should return true if append is true and the group member(s) do not already exist" do
+      @new_resource.members << "extra_user"
+      @new_resource.stub!(:append).and_return(true)
+      @provider.compare_group.should be_true
+    end
+
+  end
+
+  describe "when creating a group" do
+    it "should call create_group if the group does not exist" do
+      @provider.group_exists = false
+      @provider.should_receive(:create_group).and_return(true)
+      @provider.run_action(:create)
+    end
+  
+    it "should set the the new_resources updated flag when it creates the group" do
+      @provider.group_exists = false
+      @provider.stub!(:create_group)
+      @provider.run_action(:create)
+      @provider.new_resource.should be_updated
+    end
+  
+    it "should check to see if the group has mismatched attributes if the group exists" do
+      @provider.group_exists = true
+      @provider.stub!(:compare_group).and_return(false)
+      @provider.run_action(:create)
+      @provider.new_resource.should_not be_updated
+    end
+  
+    it "should call manage_group if the group exists and has mismatched attributes" do
+      @provider.group_exists = true
+      @provider.stub!(:compare_group).and_return(true)
+      @provider.should_receive(:manage_group).and_return(true)
+      @provider.run_action(:create)
+    end
+  
+    it "should set the the new_resources updated flag when it creates the group if we call manage_group" do
+      @provider.group_exists = true
+      @provider.stub!(:compare_group).and_return(true)
+      @provider.stub!(:manage_group).and_return(true)
+      @provider.run_action(:create)
+      @new_resource.should be_updated
+    end
+  end
+
+  describe "when removing a group" do
+  
+    it "should not call remove_group if the group does not exist" do
+      @provider.group_exists = false
+      @provider.should_not_receive(:remove_group) 
+      @provider.run_action(:remove)
+      @provider.new_resource.should_not be_updated
+    end
+  
+    it "should call remove_group if the group exists" do
+      @provider.group_exists = true
+      @provider.should_receive(:remove_group)
+      @provider.run_action(:remove)
+      @provider.new_resource.should be_updated
+    end
+  end
+
+  describe "when updating a group" do
+    before(:each) do
+      @provider.group_exists = true
+      @provider.stub!(:manage_group).and_return(true)
+    end
+ 
+    it "should run manage_group if the group exists and has mismatched attributes" do
+      @provider.should_receive(:compare_group).and_return(true)
+      @provider.should_receive(:manage_group).and_return(true)
+      @provider.run_action(:manage)
+    end
+  
+    it "should set the new resources updated flag to true if manage_group is called" do
+      @provider.stub!(:compare_group).and_return(true)
+      @provider.stub!(:manage_group).and_return(true)
+      @provider.run_action(:manage)
+      @new_resource.should be_updated
+    end
+  
+    it "should not run manage_group if the group does not exist" do
+      @provider.group_exists = false
+      @provider.should_not_receive(:manage_group)
+      @provider.run_action(:manage)
+    end
+    
+    it "should not run manage_group if the group exists but has no differing attributes" do
+      @provider.should_receive(:compare_group).and_return(false)
+      @provider.should_not_receive(:manage_group)
+      @provider.run_action(:manage)
+    end
+  end
+
+  describe "when modifying the group" do
+    before(:each) do
+      @provider.group_exists = true
+      @provider.stub!(:manage_group).and_return(true)
+    end
+ 
+    it "should run manage_group if the group exists and has mismatched attributes" do
+      @provider.should_receive(:compare_group).and_return(true)
+      @provider.should_receive(:manage_group).and_return(true)
+      @provider.run_action(:modify)
+    end
+  
+    it "should set the new resources updated flag to true if manage_group is called" do
+      @provider.stub!(:compare_group).and_return(true)
+      @provider.stub!(:manage_group).and_return(true)
+      @provider.run_action(:modify)
+      @new_resource.should be_updated
+    end
+  
+    it "should not run manage_group if the group exists but has no differing attributes" do
+      @provider.should_receive(:compare_group).and_return(false)
+      @provider.should_not_receive(:manage_group)
+      @provider.run_action(:modify)
+    end
+  
+    it "should raise a Chef::Exceptions::Group if the group doesn't exist" do
+      @provider.group_exists = false
+      lambda { @provider.run_action(:modify) }.should raise_error(Chef::Exceptions::Group)
+    end
+  end
+
+  describe "when determining the reason for a change" do
+    it "should report which group members are missing if members are missing and appending to the group" do
+       @new_resource.members << "user1"
+       @new_resource.members << "user2" 
+       @new_resource.stub!(:append).and_return true
+       @provider.compare_group.should be_true
+       @provider.change_desc.should == "add missing member(s): user1, user2"
+    end
+
+    it "should report that the group members will be overwritten if not appending" do
+       @new_resource.members << "user1"
+       @new_resource.stub!(:append).and_return false 
+       @provider.compare_group.should be_true
+       @provider.change_desc.should == "replace group members with new list of members"
+    end
+
+    it "should report the gid will be changed when it does not match" do
+      @current_resource.stub!(:gid).and_return("BADF00D")
+      @provider.compare_group.should be_true
+      @provider.change_desc.should == "change gid #{@current_resource.gid} to #{@new_resource.gid}"
+
+    end
+
+    it "should report no change reason when no change is required" do
+      @provider.compare_group.should be_false
+      @provider.change_desc.should == nil
+    end
+  end
+
+end